we plan to go hiking in the mountains this sunday还是we are planning to go hiking in the mountains this sunday.一般现在时和进行时都能表将来,那什么情况下用现在进行时表将来,什么情况下一般现在时表将来
问题描述：
we plan to go hiking in the mountains this sunday
还是we are planning to go hiking in the mountains this sunday.
一般现在时和进行时都能表将来,那什么情况下用现在进行时表将来,什么情况下一般现在时表将来
答